struct plugin_handle* plugin_load(const char* filename, const char* config, struct hub_info* hub)
{
plugin_register_f register_f;
plugin_unregister_f unregister_f;
int ret;
struct plugin_handle* handle = (struct plugin_handle*) hub_malloc_zero(sizeof(struct plugin_handle));
struct uhub_plugin* plugin = plugin_open(filename);
struct plugin_hub_internals* internals = (struct plugin_hub_internals*) plugin->internals;
if (!plugin)
return NULL;
if (!handle)
{
plugin_close(plugin);
return NULL;
}
handle->handle = plugin;
register_f = plugin_lookup_symbol(plugin, "plugin_register");
unregister_f = plugin_lookup_symbol(plugin, "plugin_unregister");
// register hub internals
internals->unregister = unregister_f;
internals->hub = hub;
internals->callback_data = plugin_callback_data_create();
// setup callback functions, where the plugin can contact the hub.
plugin_register_callback_functions(handle);
if (register_f && unregister_f)
{
ret = register_f(handle, config);
if (ret == 0)
{
if (handle->plugin_api_version == PLUGIN_API_VERSION && handle->plugin_funcs_size == sizeof(struct plugin_funcs))
{
LOG_INFO("Loaded plugin: %s: %s, version %s.", filename, handle->name, handle->version);
LOG_PLUGIN("Plugin API version: %d (func table size: " PRINTF_SIZE_T ")", handle->plugin_api_version, handle->plugin_funcs_size);
return handle;
}
else
{
LOG_ERROR("Unable to load plugin: %s - API version mistmatch", filename);
}
}
else
{
LOG_ERROR("Unable to load plugin: %s - Failed to initialize: %s", filename, handle->error_msg);
}
}
plugin_close(plugin);
hub_free(handle);
return NULL;
}
struct plugin_handle* plugin_load(const char* filename, const char* config)
{
plugin_register_f register_f;
plugin_unregister_f unregister_f;
int ret;
struct plugin_handle* handle = hub_malloc_zero(sizeof(struct plugin_handle));
struct uhub_plugin* plugin = plugin_open(filename);
if (!plugin)
return NULL;
if (!handle)
{
plugin_close(plugin);
return NULL;
}
handle->handle = plugin;
register_f = plugin_lookup_symbol(plugin, "plugin_register");
unregister_f = plugin_lookup_symbol(plugin, "plugin_unregister");
if (register_f && unregister_f)
{
ret = register_f(handle, config);
if (ret == 0)
{
if (handle->plugin_api_version == PLUGIN_API_VERSION && handle->plugin_funcs_size == sizeof(struct plugin_funcs))
{
LOG_INFO("Loaded plugin: %s: %s, version %s.", filename, handle->name, handle->version);
LOG_TRACE("Plugin API version: %d (func table size: " PRINTF_SIZE_T ")", handle->plugin_api_version, handle->plugin_funcs_size);
plugin->unregister = unregister_f;
return handle;
}
else
{
LOG_ERROR("Unable to load plugin: %s - API version mistmatch", filename);
}
}
else
{
LOG_ERROR("Unable to load plugin: %s - Failed to initialize: %s", filename, handle->error_msg);
}
}
plugin_close(plugin);
hub_free(handle);
return NULL;
}
static void
plugin_action_cb (GtkAction *action,
GigglePlugin *plugin)
{
char *callback_name;
GigglePluginCallback callback;
const GSignalInvocationHint *hint;
hint = g_signal_get_invocation_hint (action);
g_signal_handlers_disconnect_by_func (action, plugin_action_cb, plugin);
callback_name = plugin_get_callback_name (gtk_action_get_name (action),
g_signal_name (hint->signal_id));
callback = plugin_lookup_symbol (plugin, callback_name);
if (callback) {
g_signal_connect (action, g_signal_name (hint->signal_id),
G_CALLBACK (callback), plugin);
callback (action, plugin);
}
g_free (callback_name);
}
static void
plugin_action_cb (GtkAction *action,
GigglePlugin *plugin)
{
char *callback_name;
GigglePluginCallback callback;
const GSignalInvocationHint *hint;
g_signal_handlers_disconnect_by_func (action, plugin_action_cb, plugin);
hint = g_signal_get_invocation_hint (action);
callback_name = plugin_get_callback_name (gtk_action_get_name (action),
g_signal_name (hint->signal_id));
callback = plugin_lookup_symbol (plugin, callback_name);
if (callback) {
g_signal_connect (action, g_signal_name (hint->signal_id),
G_CALLBACK (callback), plugin);
callback (action, plugin);
} else if (!strcmp (g_signal_name (hint->signal_id), "activate")) {
g_warning ("%s: Cannot find %s()", G_STRFUNC, callback_name);
}
g_free (callback_name);
}
